Hi Colin, Southpaw here, so I understand how cool it is to see lefty Alembics! (or any basses). I have a lefty Distillate from the mid 80's and a lefty Orion with Europa electronics from the late 90's. I love them dearly.
I am sure your Wal bass is terrific, great basses from what I have heard. I am not purchasing anything at this time but I bet it will sell quickly. You can not go wrong with any Alembic bass, top of line in every way, which is why we are so loyal here at the club. Here is a picture for you. Good luck.